1. If they (not /study).............hard, they will fail their final examination.

2. Don't forget (turn)............off the faucets when you go out.

3. My brother is used to (wash).... his clothes in the morning.

4. Tom (write)............. this letter three hours

5. Nam enjoys (work)................with children.

II. Choose the correct answer to complete the sentence:

1. Energy can be collected by solar............ on cloudy days

C. bars A. boards B. panels D. sheets

2. .................having a lunch at 12 o'clock every day?

B. Did she use D. Was she used A. Did she used C. Is she used ....

3. Are wind power..............solar power new kinds of energy for future use?

A. and B. or C. with D. but

4.if he works more slowly, he.......so many mistakes.

B. won't make A. wouldn't make C. didn't make D. doesn't make

5. Stop now; you've done............. work for one day

B. plenty A. too many C. quite D. quite enough

6. Whenever you meet, we stop ...............

A. talk B. to take C. talking D. talked

7. i wish you...........leave now. Can't you stay a bit longer?

A. don't have to B. didn't have to C. won't have to D. hadn't to

8. She never let you cook the meals, .................?

B. doesn't she A. didn't she C. did she D. was she

9. In winter, heating .............. for 50 percent of our electricity bill

C. accounts D.costs A. takes B. occupies

10. We want to use solar energy,........... it cannot be used on cloudy days.

D. A. but B. so C. because D. therefore

11. The girls................decided to collect money for the plan.

A. final B. finally C. daily D. end

12.Johan was ill,............. he went to bed early.

A. but C. because of D. however B. so

13. I'd love to play football,....... I have to complete an assignment.

A. and C. but D. or B. so

14. The new models are expensive.,.......... efficient.

A.however B. therefore C. and D. but

15. She ......won the scholarship to study abroad.

B. successful C. succeeded D. successfully A. success

16. People talk about the pollution in the city more ..............

A. frequent B. frequently C. frequency D. free

17. If she ............enough money, she will buy her son a motor bike

A. earn B. will earn C. earns D. earning

18. If everybody............... all the trash in the trash can, the beach will not be so dirty like this.

A. put B. puts C. will put D. putting

19. We went to the airport to.... off a friend who was leaving for London.

B. say C. join D. see A. tell

20. Tam has a big ...............of foreign coins

A. collector B. collection C. collecting D. collective

I. Choose the word whose underlined part is pronounced differently from the others:

1. A. stopped B.weighed D. climbed C. used

2. A. entrance B. paddy D. banyan C. bamboo

3. A. gorw D. moment C. office B.open

4. A. ordmitory B. forward D. information C. organization

5. A. campus D. praent C. exam B. program

tìm và sửa lỗi sai

18. It's a waste of energetic if we leave the lights on all the time.

19. I don't think I could ever get used to go to work so early.

20. If you want to save money, you shouldn't reduce the amount of water your family use.

8. A. standard B.category C. ancient D. craclk

9. A. regularly . B. resource . C. energy D. suggest

10. A. dripped B. cracked C. replaced D. received

11. A. liters B. bills D. wastes C. posters